placoganoidei Meaning, Definition & Usage

Plac`o*ga*noi"de*i noun plural
Etymology
NL., fr. Gr. , , a tablet + NL. ganoidei. See Ganoidei.
Definitions
  1. (Zoöl.) A division of ganoid fishes including those that have large external bony plates and a cartilaginous skeleton.

Webster 1913